Geography · Soils of India
What is the primary reason behind red soil developing a reddish colour?
- 1Presence of humus and high nitrogen content
- 2High concentration of potash and magnesia
- 3Diffusion of iron oxides in crystalline and metamorphic rocks✓
- 4Overgrazing
Correct answer
Diffusion of iron oxides in crystalline and metamorphic rocks
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